NEPTUNE, N.J.--(BUSINESS WIRE)--Excelsior Medical Corporation announced that the United States Patent and Trademark Office (USPTO) has issued new US Patent No. 8,231,602 to the company. “The new patent is the second patent related to our integrated delivery system called SwabFlush™ and further protects our proprietary product line,” said Steven Thornton, President and CEO of Excelsior Medical.